Date: 2016-12-03

China’s shield machine remanufacturing broke through the main bearing bottleneck(pic)

On November 26, China’s first remanufacturing shield machine with domestic main bearing was smoothly off the assembly line in Hefei and passed through the acceptance of China Quality Certification Center. 

 
The picture above is the remanufacturing shield machine 

It marked China has broken through the bottleneck of the main bearing independent development for shield machine remanufacturing.

It is known that the new main bearing with the diameter of 2.6 meters can satisfy more than 15,000 hours’ continuous work of the shield machine with diameter 6 to 7 meters.

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